/// <summary>
/// It will for every field with string data deserialize this data using <see cref="IXMLDataSerializer"/>.
///
/// For every sub-data field a <see cref="SerializedData"/> object is being written to <see cref="fields"/>.
/// </summary>
/// <param name="filename">Only used for error reporting</param>
public void LoadFieldsFromXML(string filename, List <SerializerError> errors, XMLSerializerParams parameters)
{
foreach (var xNode in xElement.Nodes())
{
if (!SerializerValidation.NodeIsElement(parameters, xNode, filename, errors)) // Malformed XML
{
continue;
}
var xElement = xNode as XElement;
var elementName = xElement.Name.LocalName;
// Field unknown?
if (!SerializerValidation.FieldKnown(parameters, xElement, targetType, elementName, filename, errors))
{
continue;
}
debug.Add(elementName, xElement);
var _fieldData = targetType.GetFieldData(elementName);
var fieldData = _fieldData.Value;
var fieldType = fieldData.serializableTypeCache;
if (xElement.Value == XMLSerializer.TokenNull) // Null special case
{
fields.Add(elementName, null);
continue;
}
bool isCollection = SerializedCollectionData.IsCollection(fieldData.fieldInfo.FieldType);
IXMLDataSerializer serializer = SerializerCache.GetBestSerializerFor(fieldData.fieldInfo.FieldType);
if (!ReferenceEquals(serializer, null))
{
try
{
if (!SerializerValidation.SerializerWasFound(parameters, xElement, serializer, elementName, targetType == null ? null : targetType.type, fieldType == null ? null : fieldType.type, filename, errors))
{
continue;
}
fields.Add(elementName, serializer.Deserialize(fieldData.fieldInfo.FieldType, xElement, parameters));
}
catch (Exception ex)
{
errors.Add(new SerializerError(SerializerErrorSeverity.ERROR, filename, -1, "Serializer threw exception on field " + elementName + " on type " + targetType.type + ":\n\n" + ex.ToString() + "\n\nSkipping field!"));
}
}
else if (isCollection)
{
var col = new SerializedCollectionData(fieldData.fieldInfo.FieldType, xElement);
col.ParseAndLoadData(filename, errors, parameters);
fields.Add(elementName, col);
// Collection override action?
var collectionOverrideAttrib = xElement.Attribute(XMLSerializer.AttributeCollectionOverrideAction);
if (!ReferenceEquals(collectionOverrideAttrib, null))
{
collectionOverrideActions.Set(elementName, (CollectionOverrideAction)Enum.Parse(typeof(CollectionOverrideAction), collectionOverrideAttrib.Value));
}
}
else
{
// root reference?
if (fieldData.isSerializableRoot)
{
fields.Add(elementName, new SerializedRootObjectReference()
{
identifier = xElement.Value as string
});
}
else
{
// Determine which type to serialize
var targetType = fieldData.serializableTypeCache;
string typeName = fieldData.fieldInfo.Name;
// Check if element explicitly overwrites the type to support polymorphism
// The field type might be some base class type and the xml overwrites this type with a class extending from the base
var classAttrib = xElement.Attribute(XMLSerializer.AttributeType);
if (!ReferenceEquals(classAttrib, null))
{
targetType = SerializerCache.GetSerializableTypeCacheFor(classAttrib.Value, parameters.standardNamespace);
typeName = classAttrib.Value;
}
// Field not serializable?
if (!SerializerValidation.DataFieldSerializerValid(parameters, xElement, targetType, typeName, elementName, filename, errors))
{
continue;
}
// Resolve field name type
var d = new SerializedData(targetType, xElement as XElement);
d.LoadFieldsFromXML(filename, errors, parameters);
fields.Add(elementName, d);
}
}
}
}
